docs: def destroy_elb(app='', env='dev', region='us-east-1', **_):
      """Destroy ELB Resources.
  
      Args:
          app (str): Spinnaker Application name.
          env (str): Deployment environment.
          region (str): AWS region.
  
      Returns:
          True upon successful completion.
      """
      task_json = get_template(
          template_file='destroy/destroy_elb.json.j2',
          app=app,
          env=env,
          region=region,
          vpc=get_vpc_id(account=env, region=region))
  
      wait_for_task(task_json)
  
      return True